Where do I enter local car taxes paid?

Auto registration fees aren’t deductible in some states. However, you're allowed to claim the personal property tax you paid annually based on the value of your car. 

In  Connecticut you can deduct The Property Tax you paid to your city or county based on your vehicle's value.

You would enter the amount on your federal return, amount will carry over to your state return:

1. Open your return, if you're not already in it.
2. Select Tax Tools, then Tools to open the Tool Center.
3. Select Topic Search.
4. Search for personal property taxes (use this exact phrase) and then select Go.
5. Answer Yes to Did you pay personal property taxes in 2023?
6. Enter the amount you paid on the next screen and continue.